Cable, Ralph <br/><br/>
Audio-visual handbook 

 - London :  University of London,  1965. 
 - 118p.;  ill.;  22cm 
<br/><br/><label>ISBN: </label>0340168455 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiovisual<br/>School Education
<br/><br/><label>Dewey Class. No.: </label>371.335  / CAB